干旱区生态环境知识资源中心(Arid): Blended Drought Index: Integrated Drought Hazard Assessment in the Cuvelai-Basin

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DOI	10.3390/cli5030051
	Blended Drought Index: Integrated Drought Hazard Assessment in the Cuvelai-Basin
	Luetkemeier, Robert; Stein, Lina; Drees, Lukas; Liehr, Stefan
通讯作者	Luetkemeier, R
来源期刊	CLIMATE
ISSN	2225-1154
出版年	2017
卷号	5 期号:3
英文摘要	Drought is one of the major threats to societies in Sub-Saharan Africa, as the majority of the population highly depends on rain-fed subsistence agriculture and traditional water supply systems. Hot-spot areas of potential drought impact need to be identified to reduce risk and adapt a growing population to a changing environment. This paper presents the Blended Drought Index (BDI), an integrated tool for estimating the impact of drought as a climate-induced hazard in the semi-arid Cuvelai-Basin of Angola and Namibia. It incorporates meteorological and agricultural drought characteristics that impair the population's ability to ensure food and water security. The BDI uses a copula function to combine common standardized drought indicators that describe precipitation, evapotranspiration, soil moisture and vegetation conditions. Satellite remote sensing products were processed to analyze drought frequency, severity and duration. As the primary result, an integrated drought hazard map was built to spatially depict drought hot-spots. Temporally, the BDI correlates well with millet/sorghum yield (r = 0.51) and local water consumption (r = -0.45) and outperforms conventional indicators. In the light of a drought's multifaceted impact on society, the BDI is a simple and transferable tool to identify areas highly threatened by drought in an integrated manner.
英文关键词	hazard assessment remote sensing drought risk time series analysis vulnerability copula
类型	Article
语种	英语
开放获取类型	DOAJ Gold, Green Published
收录类别	ESCI
WOS记录号	WOS:000412057300008
WOS关键词	STANDARDIZED PRECIPITATION INDEX ; SUB-SAHARAN AFRICA ; VEGETATION INDEX ; FARMING SYSTEMS ; RISK-ASSESSMENT ; VULNERABILITY ; AGRICULTURE ; FREQUENCY ; SEVERITY ; PATTERNS
WOS类目	Meteorology & Atmospheric Sciences
WOS研究方向	Meteorology & Atmospheric Sciences
Scopus学科分类	Southern African Sci Serv Ctr Climate Change & Ad, 28 Robert Mugabe Ave, Windhoek 9000, Namibia. ; Luetkemeier, R
CSCD记录号	CSCD:Senckenberg Biodivers & Climate Res Ctr SBiK F, Senckenberganlage 25, D-60325 Frankfurt, Germany.
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/332296
作者单位	[Luetkemeier, Robert; Drees, Lukas; Liehr, Stefan] ISOE Inst Social Ecol Res, Hamburger Allee 45, D-60598 Frankfurt, Germany; [Luetkemeier, Robert; Liehr, Stefan] Southern African Sci Serv Ctr Climate Change & Ad, 28 Robert Mugabe Ave, Windhoek 9000, Namibia; [Luetkemeier, Robert; Drees, Lukas; Liehr, Stefan] Senckenberg Biodivers & Climate Res Ctr SBiK F, Senckenberganlage 25, D-60325 Frankfurt, Germany; [Stein, Lina] Univ Bristol, Dept Civil Engn, Senate House,Tyndall Ave, Bristol BS8 1TH, Avon, England
推荐引用方式 GB/T 7714	Luetkemeier, Robert,Stein, Lina,Drees, Lukas,et al. Blended Drought Index: Integrated Drought Hazard Assessment in the Cuvelai-Basin[J],2017,5(3).
APA	Luetkemeier, Robert,Stein, Lina,Drees, Lukas,&Liehr, Stefan.(2017).Blended Drought Index: Integrated Drought Hazard Assessment in the Cuvelai-Basin.CLIMATE,5(3).
MLA	Luetkemeier, Robert,et al."Blended Drought Index: Integrated Drought Hazard Assessment in the Cuvelai-Basin".CLIMATE 5.3(2017).